Largest Mexican population, Mississippi counties

Mississippi counties ranked by the number of residents who are Mexican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 76 counties in Mississippi that qualify, ranked against each other statewide. The median across all 76 is 345. Biggest climber in the top 100 since 2020: Simpson County, MS, up 31 places to #39.